Where does “ketjunsuoja” come from?

ketjunsuoja (Finnish) comes from Finnish suoja, from Proto-Finnic sooja, from Russian со́я, from Dutch soja, from Japanese そい, from Japanese 醤油, from Middle Chinese 醬油, from Middle Chinese 醬 — bean paste.

Ancestry of “ketjunsuoja”, step by step

ketjunsuoja traces back through two separate lines of ancestry.

via Finnish suoja

StepLanguageWordMeaning
1Finnishsuojashelter; protective covering; refuge
2Proto-Finnicsoojashelter; protection; warm
3Russianсо́яjay {{i|dialectal}}
4Dutchsojasoy
5Japaneseそい醤油 soy sauce
6Japanese醤油soy sauce
7Middle Chinese醬油
8Middle Chinesebean paste

via Finnish ketju

StepLanguageWordMeaning
1Finnishketjuchain; necklace; line
2Swedishkedjachain; chain; a series of interconnected things;...
3Latincatēnachain
4Proto-Indo-Europeankat-cub; to weave, to braid; to link or weave...
Every word from Middle Chinese Every word from Middle Chinese 醬油Every word from Japanese 醤油